diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index a266986..3d3dd2f 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -40,7 +40,7 @@ jobs:
       pull-requests: write
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Differential ShellCheck
@@ -54,7 +54,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out source repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python environment
         uses: actions/setup-python@v4
         with:
@@ -76,7 +76,7 @@ jobs:
     steps:
       - name: 'Calculate PR commits + 1'
         run: echo "PR_FETCH_DEPTH=$(( ${{ github.event.pull_request.commits }} + 1 ))" >> $GITHUB_ENV
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: ${{ env.PR_FETCH_DEPTH }}
@@ -90,7 +90,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: false
     - name: Initialize the directory
@@ -103,12 +103,41 @@ jobs:
         cat adaptived/adaptived-*/_build/sub/tests/ftests/ftests-wrapper.sh.log
         cat adaptived/adaptived-*/_build/sub/tests/ftests/ftests-c-wrapper.sh.log
 
+  build-with-clang:
+    name: Build with Clang
+    runs-on: ubuntu-latest
+    env:
+      CC: clang
+      CXX: clang++
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: false
+    - name: Fail on all warnings
+      run: |
+        CFLAGS=-Werror
+        export CFLAGS
+    - name: Install Dependencies
+      run: |
+        while sudo fuser /var/{lib/{dpkg,apt/lists},cache/apt/archives}/lock >/dev/null 2>&1; do sleep 3; done
+        sudo apt-get update
+        sudo apt-get install libjson-c-dev lcov cmake bison flex autoconf automake libtool libsystemd-dev clang -y
+    - name: Build adaptived
+      run: cd adaptived && ./autogen.sh && ./configure && make check-build
+    - name: Run functional tests
+      run: cd adaptived && make check
+    - name: Display test logs
+      if: ${{ always() }}
+      run: |
+        cat adaptived/tests/ftests/ftests-wrapper.sh.log
+        cat adaptived/tests/ftests/ftests-c-wrapper.sh.log
+
   functional_tests_cgv2:
     name: Adaptived Functional Tests v2
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: false
     - name: Fail on all warnings
diff --git a/adaptived/src/shared_data.c b/adaptived/src/shared_data.c
index c20bc09..ac25378 100644
--- a/adaptived/src/shared_data.c
+++ b/adaptived/src/shared_data.c
@@ -177,6 +177,7 @@ API int adaptived_get_shared_data(const struct adaptived_cause * const cse, int
 API void free_shared_data(struct adaptived_cause * const cse, bool force_delete)
 {
 	struct shared_data *cur, *next, *prev_valid = NULL, *first_valid = NULL;
+	struct adaptived_name_and_value *name_value;
 	bool do_free, persist;
 
 	if (cse == NULL)
@@ -215,8 +216,6 @@ API void free_shared_data(struct adaptived_cause * const cse, bool force_delete)
 			free(cur->data);
 			break;
 		case ADAPTIVED_SDATA_NAME_VALUE:
-			struct adaptived_name_and_value *name_value;
-
 			name_value = (struct adaptived_name_and_value *)cur->data;
 
 			free(name_value->name);
diff --git a/adaptived/src/utils/cgroup_utils.c b/adaptived/src/utils/cgroup_utils.c
index b6583dc..5eb5c2c 100644
--- a/adaptived/src/utils/cgroup_utils.c
+++ b/adaptived/src/utils/cgroup_utils.c
@@ -235,7 +235,7 @@ API int adaptived_cgroup_set_str(const char * const setting, const char * const
 			return ret;
 
 		if (strlen(validate_value) != strlen(value) ||
-		    strncmp(validate_value, value, strlen(validate_value) != 0)) {
+		    strncmp(validate_value, value, strlen(validate_value)) != 0) {
 			adaptived_err("Failed to validate %s.  Expected %s, read %s\n",
 				   setting, value, validate_value);
 			free(validate_value);
diff --git a/adaptived/src/utils/sd_bus_utils.c b/adaptived/src/utils/sd_bus_utils.c
index f2a6405..3dd8bf6 100644
--- a/adaptived/src/utils/sd_bus_utils.c
+++ b/adaptived/src/utils/sd_bus_utils.c
@@ -445,7 +445,7 @@ API int adaptived_sd_bus_set_str(const char * const target, const char * const p
 				return -EFAULT;
 			}
 			if (strlen(validate_value) != strlen(value) ||
-			    strncmp(validate_value, value, strlen(validate_value) != 0)) {
+			    strncmp(validate_value, value, strlen(validate_value)) != 0) {
 				adaptived_err("Failed to validate %s.  Expected %s, read %s\n",
 					   property, value, validate_value);
 				free(validate_value);
diff --git a/adaptived/tests/ftests/015-load_rule_at_runtime.c b/adaptived/tests/ftests/015-load_rule_at_runtime.c
index 7aebb51..3c03e6e 100644
--- a/adaptived/tests/ftests/015-load_rule_at_runtime.c
+++ b/adaptived/tests/ftests/015-load_rule_at_runtime.c
@@ -78,7 +78,7 @@ int main(int argc, char *argv[])
 	struct adaptived_cause *cse;
 	struct adaptived_rule *rule;
 	pthread_t adaptived_thread;
-	struct adaptived_ctx *ctx;
+	struct adaptived_ctx *ctx = NULL;
 	char *time_str = NULL;
 	void *tret;
 	int ret;
@@ -177,8 +177,10 @@ int main(int argc, char *argv[])
 	adaptived_release_effect(&eff);
 	adaptived_release_rule(&rule);
 
-	adaptived_unload_rule(ctx, rule_name);
-	adaptived_release(&ctx);
+	if (ctx) {
+		adaptived_unload_rule(ctx, rule_name);
+		adaptived_release(&ctx);
+	}
 
 	return AUTOMAKE_HARD_ERROR;
 }
diff --git a/adaptived/tests/ftests/016-unload_rule_at_runtime.c b/adaptived/tests/ftests/016-unload_rule_at_runtime.c
index 186cf2f..7d586df 100644
--- a/adaptived/tests/ftests/016-unload_rule_at_runtime.c
+++ b/adaptived/tests/ftests/016-unload_rule_at_runtime.c
@@ -78,7 +78,7 @@ int main(int argc, char *argv[])
 	struct adaptived_cause *cse;
 	struct adaptived_rule *rule;
 	pthread_t adaptived_thread;
-	struct adaptived_ctx *ctx;
+	struct adaptived_ctx *ctx = NULL;
 	char *time_str = NULL;
 	void *tret;
 	int ret;
@@ -187,8 +187,10 @@ int main(int argc, char *argv[])
 	adaptived_release_effect(&eff);
 	adaptived_release_rule(&rule);
 
-	adaptived_unload_rule(ctx, rule_name);
-	adaptived_release(&ctx);
+	if (ctx) {
+		adaptived_unload_rule(ctx, rule_name);
+		adaptived_release(&ctx);
+	}
 
 	return AUTOMAKE_HARD_ERROR;
 }
diff --git a/adaptived/tests/ftests/018-effect-cgroup_setting_set_str.c b/adaptived/tests/ftests/018-effect-cgroup_setting_set_str.c
index 56e7259..9c70b30 100644
--- a/adaptived/tests/ftests/018-effect-cgroup_setting_set_str.c
+++ b/adaptived/tests/ftests/018-effect-cgroup_setting_set_str.c
@@ -66,7 +66,7 @@ int main(int argc, char *argv[])
 	struct adaptived_effect *eff = NULL;
 	struct adaptived_rule *rule = NULL;
 	struct adaptived_ctx *ctx = NULL;
-	struct adaptived_cause *cse;
+	struct adaptived_cause *cse = NULL;
 	int ret;
 
 	ctx = adaptived_init(NULL);
diff --git a/adaptived/tests/gunit/011-kill_processes_sort.cpp b/adaptived/tests/gunit/011-kill_processes_sort.cpp
index b500508..5e23b44 100644
--- a/adaptived/tests/gunit/011-kill_processes_sort.cpp
+++ b/adaptived/tests/gunit/011-kill_processes_sort.cpp
@@ -63,7 +63,7 @@ class SortPidListTest : public ::testing::Test {
 
 TEST_F(SortPidListTest, Sort)
 {
-	struct pid_info pida[array_size] = { 0 };
+	struct pid_info pida[array_size] = { { 0 } };
 	int i;
 
 	for (i = 0; i < array_size; i++) {
diff --git a/adaptived/tests/gunit/012-shared_data.cpp b/adaptived/tests/gunit/012-shared_data.cpp
index 7e29f95..f788684 100644
--- a/adaptived/tests/gunit/012-shared_data.cpp
+++ b/adaptived/tests/gunit/012-shared_data.cpp
@@ -130,6 +130,7 @@ TEST_F(SharedDataTest, CustomDataShare)
 
 	populate_cause(&cse, 0);
 
+	type = ADAPTIVED_SDATA_STR;
 	ret = adaptived_update_shared_data(&cse, 0, type, &read_data, 0);
 	ASSERT_EQ(ret, -ERANGE);